Yoo, Jun-Il
Kim, Ha-Young
Jang, Sunmee
Lee, Young-Kyun
Ha, Yong-Chan
Article History
Received: 6 November 2019
Accepted: 8 September 2020
First Online: 20 October 2020
Compliance with ethical standards
: The study protocol was approved by the institutional review board (IRB) of Wonkwang University Sanbon Hospital (IRB No. WMCSB 201706-64). The requirement for informed consent was waived because the study was based on routinely collected administrative and claims data.
: None.